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recurrent implantation failure
A situation in which pregnancy is not achieved after repeated transfers of apparently good quality embryos in in vitro fertilisation (IVF) treatment. It is also known as  RIF.
Grammatical category Noun
Field Assisted Reproductive Techniques
Level of specialization High
Definition source Avantia Fertilidad
Variants
Abbreviation
RIF
Formal
Equivalents

Spanish

fallo de implantación recurrente
Associated concepts
Caused by
repeated embryo transfer
Examples
Patients older than 40, with recurrent implantation failure, and recurrent pregnancy loss were excluded. 
The majority of trials have demonstrated favorable effect of endometrial injury on implantation success rate especially in women with recurrent implantation failure, while some studies failed to detect any benefit.
Collocations
WITH ADJECTIVES
loss of || multiple recurrent implantation failure
WITH NOUNS
patients with | women with || implication in recurrent implantation failure